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fix error message & label check in softmax_with_cross_entropy #31122

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merged 2 commits into from
Feb 23, 2021
Merged

fix error message & label check in softmax_with_cross_entropy #31122

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c509031
merge develop conflict
yghstill Feb 23, 2021
c8446f2
Merge branch 'develop' into fix_error_msg_softmax_with_cross_entropy
yghstill Feb 23, 2021
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4 changes: 4 additions & 0 deletions paddle/fluid/operators/softmax_with_cross_entropy_op.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -268,6 +268,10 @@ struct HardLabelSoftmaxWithCrossEntropyFunctor {
int64_t idx_remain = idx % remain;
// labels, loss view as [n, remain]
int64_t idx_lbl = idx_n * remain + idx_remain;
PADDLE_ENFORCE(labels_[idx_lbl] >= 0 && labels_[idx_lbl] < d_,
"The value of label[%ld] expected >= 0 and < %ld,"
"but got %ld. Please check input value.",
idx_lbl, d_, labels_[idx_lbl]);
// It also would ignore labels not in range(class_num).
if (idx_axis != labels_[idx_lbl]) {
log_softmax_[idx] = exp_on_device(log_softmax_[idx]);
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